Global expertise, local impact.

TransAlta is one of Canada’s largest publicly traded power generators, delivering reliable electricity across Canada, the United States and Western Australia.

Investors

Reliable cash flows supported by a technology-diverse portfolio, disciplined capital allocation and selective growth, creating long-term shareholder value, across an evolving energy landscape.

See our results

Facilities

We safely operate and evolve essential hydroelectric, wind, solar, battery storage, gas and energy transition infrastructure that powers our communities and economies.

Meet the fleet

Sustainability

Sustainability is integrated into how we operate, govern and make decisions. We focus on balancing reliability, affordability, risk management and long-term value as energy systems evolve.

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Innovation rooted in legacy

Our technology-diverse portfolio and disciplined execution allow us to deliver dependable power across evolving energy systems. We take a practical, responsible approach to meeting today’s energy needs while preparing for what comes next.

The latest from TransAlta’s newsroom

Jun 9, 2026

TransAlta Announces Closing of $350 Million Bought Deal Offering of Common Shares

CALGARY, Alberta, June 09, 2026 (GLOBE NEWSWIRE) -- TransAlta Corporation (TransAlta or the Company) (TSX: TA) (NYSE: TAC) is pleased to announce that it has closed its previously announced bought...

Jun 3, 2026

TransAlta Announces the Acquisition of Two Fully-Contracted Gas Assets in Colorado and Concurrent $350 Million Bought Deal Offering of Common Shares

The short form base shelf prospectus is accessible, and the final prospectus supplement will be accessible within two business days, through SEDAR+. CALGARY, Alberta, June 03, 2026 (GLOBE NEWSWIRE)...

May 6, 2026

TransAlta Reports First Quarter Results and Reaffirms Annual Guidance

CALGARY, Alberta, May 06, 2026 (GLOBE NEWSWIRE) -- TransAlta Corporation (TransAlta or the Company) (TSX: TA) (NYSE: TAC) today reported its financial results for the first quarter ended March 31,...

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What sets TransAlta apart

A focused growth strategy

At TransAlta, growth is grounded in disciplined execution and long-term value creation. Our portfolio includes hydro, wind, solar, battery storage and thermal generation, complemented by asset optimization and energy marketing capabilities.

Our strategic priorities

A century-long legacy

TransAlta has been serving our customers for over 115 years, first in Alberta and today across Canada, the United States and Western Australia. We are a trusted partner offering technology-diverse, tailored solutions that continue to evolve to match our customers’ needs.

Our history